NEW YORK (TheStreet) -- News from Silicon Valley was hot on Twitter (TWTR - Get Report) this week. Rumors around the secretive "Amazon Flex" project swirled as newly obtained documents hinted at facilities where Amazon customers can pick up their own packages.
Here's our weekly round-up of the top 10 most discussed stocks on Twitter and traditional media channels -- stock-related news that saw the highest levels of engagement among market experts and valid sources.
- JPMorgan (JPM - Get Report): JPMorgan landed in the headlines again upon news that the bank is in talks with regulators to pay a $150 million settlement related to the bank potentially having had steered its private banking clients to its own proprietary products without sufficient disclosure.
- PayPal (PYPL - Get Report): PayPal announced its very first acquisition since becoming an independent public firm with the purchase of mobile commerce platform Modest. Modest was founded by Dylan Richard and Harper Reed, the chief technology officer for President Obama's 2012 campaign.
- Amazon (AMZN - Get Report): GeekWire reported that a Kirkland, Washington Amazon facility is preparing to launch "Amazon Flex." Although unconfirmed, Amazon Flex may be a new way for Amazon customers to pick up packages at the facility itself.
- Comcast (CCV): Comcast announced that it has extended 'Internet Essentials' - its high-speed internet adoption program targeted at low-income Americans, with expansion to senior citizens in San Francisco.
- FireEye (FEYE - Get Report): Cyberforensics firm FireEye announced that it has teamed up with Europol's European Cybercrime Center to share knowledge on cybercrime to better detect potential threats.
- Goldman Sachs (GS - Get Report): Solar company SunEdison (SUNE) announced the formation of a $1 billion investment vehicle, WSIP Warehouse, that will be managed by Goldman Sachs to fund construction costs and acquire operating assets.
- Citigroup (C - Get Report): Citigroup agreed to pay $180 million to settle allegations around hedge fund fraud during the financial crisis. The SEC reported that Citigroup units made misleading statements around two failed hedge funds and their relative safety.
- Fitbit (FIT - Get Report): Nutritional supplement company WellPath announced integrations with 23andMe and FitBit around the delivery of customized nutritional supplements according to users' health goals, genetic makeup and general health.
- Rambus (RMBS - Get Report): For the first time in its 25-year history, Rambus announced that it would begin to sell chips under its own brand. The firm became well-known for its patent fights against chip makers.
- Baidu (BIDU - Get Report): ChinaNet, a B2B internet technology company, announced a partnership with Baidu to launch a new service, "The GOOD Business of China." The new service will provide a online-to-offline brand and sales lead generation service.
The above ten stocks have been ranked according to proprietary analysis by Contix, a social media event detection platform for traders.