Midday movers: Lowe's, Airbnb, Oracle, and more

Investing.com -- U.S. stocks were falling on Tuesday as weak Chinese services activity data increased concerns about the economic recovery of the world’s second largest economy.

Here are some of the biggest U.S. stock movers today:

• Lowe’s (NYSE:LOW) stock fell 0.8% after Bernstein upgraded its stance on the home improvement retailer to ‘outperform’ from ‘market perform’, saying tailwinds are starting to add up.

• Airbnb (NASDAQ:ABNB) stock rose 8% and Blackstone (NYSE:BX) stock added 3.9% with the two companies set to join the benchmark S&P 500 index.

• Oracle (NYSE:ORCL) stock rose 2% after Barclays upgraded its stance on the software firm to ‘overweight’ from ‘equal weight’, citing artificial intelligence tailwinds.

• Walt Disney (NYSE:DIS) stock rose 0.3% while Charter Communications (NASDAQ:CHTR) stock fell 1.6% after Disney said it hoped it would be able to reach an agreement to restore access to ABC, ESPN and other Disney-owned channels that have been blacked out on Charter's service since Thursday.

• Tesla (NASDAQ:TSLA) stock rose 4.5% with the U.S. EV manufacturer suing a Chinese firm over tech secret infringement and unfair competition disputes, Shanghai Securities Journal reported on Tuesday.

• Fidelity National Financial (NYSE:FNF) stock rose 1% after a filing showed that Citigroup increased its stake in the financial services company by just over 23% during the first quarter of this year.

• Brady Corporation (NYSE:BRC) stock rose 10.5% after the industrial company reported record earnings in its fiscal fourth quarter, raised its dividend and expanded its share buyback program.