11:40 AM EDT, 10/28/2024 (MT Newswires) -- All three major US stock indexes were up in late morning trading on Monday, as investors await earnings results from the giant tech companies later this week.

In company news, Boeing ( BA ) said Monday it is launching concurrent public offerings of 90 million common shares at a par value of $5 per share, and $5 billion of depositary shares, each representing a 1/20th interest in a share of newly issued series A mandatory convertible preferred stock at a par value of $1 per share. Boeing ( BA ) shares were down 0.7% near noon.

McDonald's (MCD) and the Colorado Department of Agriculture said Sunday that the fast-food chain's beef patties did not cause an ongoing outbreak of the E. coli virus. The company said it will resume distribution of a fresh supply of beef patties, and the Quarter Pounder is expected to be available in all restaurants in the coming week. Shares of McDonald's were up 1.5%.

AbbVie ( ABBV ) said Monday it has reached a definitive agreement to acquire Aliada Therapeutics, a biotechnology company, for $1.4 billion in cash. The deal is expected to close in Q4, subject to regulatory approvals and other closing conditions. AbbVie ( ABBV ) shares were up 1%.

Apple ( AAPL ) unveiled its new iMac, which features an M4 chip and Apple ( AAPL ), on Monday. The new iMac with its M4 chip is up to 1.7x faster for daily productivity and up to 2.1x faster for photo editing and gaming, relative to the iMac with M1, the company said. The new iMac costs $1,299 with availability starting Nov. 8. Apple ( AAPL ) shares were up 1%.

Price: 154.38, Change: -0.63, Percent Change: -0.41