Chegg
NYSE:CHGGChegg, Inc. operates a direct-to-student learning platform that helps learners build essential life and job skills to accelerate their path from learning programs in the United States and internationally. Its subscription services include Chegg Study, which offers personalized step-by-step learning support from AI, computational engines, and subject matter experts, as well as Tinger Gold and DashPash Student services; Chegg Writing that provides students with a suite of tools, such as plagiarism detection scans, grammar and writing fluency checking, expert personalized writing feedback, and premium citation generation; Chegg Math, a step-by-step math problem solver and calculator that helps students to solve problems; Chegg Study Pack, a bundle of various subscription product offerings, including Chegg Study, Chegg Writing, and Chegg Math services; and Busuu, an online language learning platform that offers comprehensive support through self-paced lessons, live classes with expert tutors, and a community of members to practice alongside. The company also provides a skills-based learning platform to learn technical skills comprising AI, coding, data analytics, and cybersecurity, as well as competencies consisting of emotional intelligence, mindset, emerging leadership, and decision making. In addition, it rents and sells print textbooks and eTextbooks; and offers advertising services. The company serves students and companies through direct marketing channels and social media. Chegg, Inc. was incorporated in 2005 and is headquartered in Santa Clara, California.
Iridium Communications
NASDAQ:IRDMIridium Communications Inc. provides mobile voice and data communications services and products to businesses, the United States and international governments, non-governmental organizations, and consumers worldwide. The company offers postpaid mobile voice and data satellite communications; prepaid mobile voice satellite communications; push-to-talk; broadband data; and Internet of Things (IoT) services. It also provides hosted payload and other data services, such as satellite time and location services; and inbound connections from the public switched telephone network, short message, subscriber identity module, activation, customer reactivation, and other peripheral services. In addition, the company offers voice and data solutions comprising personnel tracking devices; asset tracking devices for equipment, vehicles, and aircrafts; beyond-line-of-sight aircraft communications applications; maritime communications applications; specialized communications solutions for high-value individuals; mobile communications and data devices for the military and other government agencies, such as secure satellite handsets, as well as netted voice, messaging, and paging services; and maintenance services for the United States government's dedicated gateway. Further, it provides satellite handsets, voice and data modems, broadband data devices, and IoT data devices; various accessories for its devices that include batteries, holsters, earbud headphones, portable auxiliary antennas, antenna adaptors, USB data cables, charging units, and others; and engineering and support services. Iridium Communications Inc. sells its products and services to commercial end users through a wholesale distribution network that include service providers, and value-added resellers and manufacturers. The company was formerly known as Iridium Holdings LLC and changed its name to Iridium Communications Inc. in September 2009. Iridium Communications Inc. is headquartered in McLean, Virginia.
Lumentum
NASDAQ:LITELumentum Holdings Inc. manufactures and sells optical and photonic products in the Americas, the Asia-Pacific, Europe, the Middle East, and Africa. The company operates through two segments: Optical Communications (OpComms) and Commercial Lasers (Lasers). The OpComms segment offers components, modules, and subsystems that enable the transmission and transport of video, audio, and data over high-capacity fiber optic cables. It offers tunable transponders, transceivers, and transmitter modules; tunable lasers, receivers, and modulators; transport products, such as reconfigurable optical add/drop multiplexers, amplifiers, and optical channel monitors, as well as components, including 980nm, multi-mode, and Raman pumps; and switches, attenuators, photodetectors, gain flattening filters, isolators, wavelength-division multiplexing filters, arrayed waveguide gratings, multiplex/de-multiplexers, and integrated passive modules. This segment also provides Super Transport Blade, which integrates optical transport functions into a single-slot blade; vertical-cavity surface-emitting lasers; directly modulated and electro-absorption modulated lasers; and laser illumination sources for 3D sensing systems. It serves customers in telecommunications, data communications, and consumer and industrial markets. The Commercial Lasers segment offers diode-pumped solid-state, fiber, diode, direct-diode, and gas lasers, such as argon-ion and helium-neon lasers for use in original equipment manufacturer applications. It serves customers in markets and applications, such as sheet metal processing, general manufacturing, biotechnology, solar cell processing, graphics and imaging, remote sensing, and precision machining. Lumentum Holdings Inc. was incorporated in 2015 and is headquartered in San Jose, California.
Sigma Lithium
NASDAQ:SGMLSigma Lithium Corporation engages in the exploration and development of lithium deposits in Brazil. It holds a 100% interest in the Grota do Cirilo, Genipapo, Santa Clara, and São José properties comprising 29 mineral rights covering an area of approximately 185 square kilometers located in the Araçuaí and Itinga regions of the state of Minas Gerais, Brazil. It serves electric vehicle industries worldwide. The company was formerly known as Sigma Lithium Resources Corporation and changed its name to Sigma Lithium Corporation in July 2021. The company is headquartered in São Paulo, Brazil.