Midday movers: Lululemon, Pfizer, Apple and more

Investing.com -- U.S. stocks rose Monday to start a week that sees the quarterly earnings season ramp up.

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

• Lululemon (NASDAQ:LULU) stock rose 9.8% with the athleticwear company set to join the benchmark S&P 500 index on Wednesday, S&P Dow Jones Indices confirmed last week.
• Pfizer (NYSE:PFE) stock rose 4.9%, while German partner BioNTech (NASDAQ:BNTX) stock dropped 5% and rival Moderna (NASDAQ:MRNA) fell 4.6%, after the U.S. drugmaker slashed the sales forecast for its COVID vaccine and therapy last week.

• Apple (NASDAQ:AAPL) stock fell 0.6% after Bloomberg reported the tech giant’s new iPhone 15 is facing challenges in the Chinese market, with sales lagging behind its predecessor - the iPhone 14.

• Nvidia (NASDAQ:NVDA) stock rose 1.1% following a Bloomberg News report that the U.S. will strengthen restrictions on China's access to advanced chip technology.

• Manchester United (NYSE:MANU) stock fell 8.8% after reports that British billionaire Jim Ratcliffe is looking to acquire only a 25% stake in the soccer club, raising concerns that a buyout by Qatar's Sheikh Jassim bin Hamad al Thani could be off the table.

• Rite Aid (NYSE:RAD) stock was halted after the drugstore chain filed for Chapter 11 bankruptcy and announced it has received a commitment for $3.45 billion in new financing from some of its lenders.

• Novo Nordisk (NYSE:NVO) stock fell 1.2% after the drugmaker agreed to buy a hypertension drug from KBP Biosciences for up to $1.3 billion.

• DR Horton (NYSE:DHI) stock rose 0.9% after Goldman Sachs upgraded its stance on the housebuilder to ‘buy’ from ‘neutral’, while KB Home (NYSE:KBH) stock fell 2.1% as Goldman cut to ‘neutral’ from ‘buy’.