Take a look at some of Monday's early movers:
Alibaba — Barron's cover story said the stock could plunge 50 percent from current levels based on its price-to-earnings ratio with other tech companies, market share, and other factors. The Chinese e-commerce giant responded with a letter on its website outlining what it considered inconsistencies in the article's analysis. Shares of Alibaba fell more than 3 percent in premarket trade.
Solera — The provider of technology to insurance companies said Sunday it agreed to be acquired by an affiliate of private-equity firm Vista Equity Partners for $3.74 billion in cash, or $55.85 a share. Solera's stock jumped more than 9 percent in premarket trade.
Marvell Technology — Morgan Stanley downgraded the stock to "equalweight" from "overweight" and cut its price target to $9.50 from $17.50 based on last week's investigation into accounting issues. Shares of Marvell fell more than 2 percent in premarket trade, after closing down 16.2 percent Friday.
Apple — Pre-order demand for the iPhone 6s and 6s Plus on their first day of availability was stronger in China than most regions, according to early reports. The company said in a statement it is "on pace to beat last year's 10 million unit first-weekend record when the new iPhones go on sale Sept. 25."
H&R Block — BTIG downgraded the stock to "neutral" from "buy" citing price.
Google — The tech giant named John Krafcik, TrueCar president and former CEO of Hyundai Motors America, as the chief executive of its self-driving car project beginning late September.
Facebook — The social media giant is planning a stand-alone app with support for 360-degree videos in an effort to bring virtual reality to mobile, according to The Wall Street Journal. No launch date for the app was specified.
Ingredion — Citi upgraded the ingredient provider's stock to "buy" from "neutral" and raised the price target to $100 from $90 a share, citing a favorable outlook for pricing of North American corn sweetener given capacity constraints.