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Stocks Making the Biggest Moves Midday: Pinterest, Sonos, Anthem and More

Gabby Jones | Bloomberg | Getty Images

Customers view merchandise in an experience room at the Sonos store in New York.

Check out the companies making headlines in midday trading.

Pinterest — Shares of the social media company rallied 12.7% following a Bloomberg News report that said PayPal may acquire Pinterest. PayPal shares fell 4.9%.

Sonos — Shares of the smart home sound system manufacturer jumped nearly 2% after David Einhorn's Greenlight Capital said it increased its bet on the company, calling Sonos a "bright growth story." In a letter to investors obtained by CNBC, the hedge fund manager revealed that his firm expanded what was a small position in Sonos "to a size that makes it worthwhile to discuss."

Ford – Shares of the automaker jumped 4% after Credit Suisse upgraded the stock to outperform from neutral. "In the past year, we've seen a significant turnaround underway at Ford," the analyst said. "It has ended its cycle of quarterly earnings disappointments, and its transition to an EV/digital world has sharply accelerated."

ProShares Bitcoin Strategy ETF – The bitcoin futures ETF gained 3.2% in its second day of trading as the price of bitcoin rallied to an all-time high. The fund tracks contracts speculating on the future price of bitcoin.

Anthem — Shares of the insurance company popped 7.7% in midday trading after Anthem reported better-than-expected quarterly results. Anthem earned $6.79 per share, topping estimates by 42 cents, according to Refinitiv. Anthem made $35.55 billion in revenue, higher than the forecast $35.3 billion.

Omnicom Group — Omnicom shares slipped 2.2% following the media company's third-quarter financial results. The company posted profit of $1.65 per share versus $1.37 analysts surveyed by StreetAccount were expecting. Revenue came in at $3.44 billion, slightly short of the $3.46 billion analyst estimate.

Novavax — Novavax shares sank 14.7% after a Politico report said the drugmaker is having challenges meeting regulators' quality standards for its Covid vaccine.

Brinker International – Shares of the Chili's parent dipped 9.6% after the company warned about the impact of higher labor and commodities costs, saying its margins will be hit. "The Covid surge starting in August exacerbated the industry-wide labor and commodity challenges and impacted our margins and bottom line more than we anticipated," CEO Wyman Roberts said in a statement. The company will report full quarterly results on Nov. 3.

Winnebago – Winnebago's stock dropped 3.1% after the company beating top- and bottom-line estimates during its fiscal fourth quarter. The RV maker earned $2.57 per share excluding items on $1.04 billion in revenue.

Abbott Laboratories — Shares of the pharmaceutical company rose nearly 3.3% in midday trading after beating on the top and bottom lines of its quarterly results. Abbott earned an adjusted $1.40 per share, topping estimates of 95 cents per share, according to Refinitiv. Revenue came in at $10.93 billion, higher than the forecast $9.56 billion.

Signature Bank — Shares of New York-based Signature Bank rose 4.4% after the company beat quarterly earnings expectations. The bank reported earnings of $3.88 per share versus the StreetAccount consensus of $3.72 per share.

WD-40 — Shares of the lubricant maker sank 8.7% after missing on the top and bottom lines of its quarterly results. CEO Garry Ridge said the pandemic had created abnormal swings in the company's sales results.

Tegna — Shares of Tegna rose 3.8% following a Bloomberg report that media mogul Byron Allen has received additional backing for his $23 per share offer for the TV broadcasting company. 

— with reporting from CNBC's Yun Li, Pippa Stevens, Hannah Miao and Tanaya Macheel.

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