Check out which companies are making headlines before the bell:
Microsoft — The software giant released the latest version of its Office software suite, with enhanced collaboration features among the more notable changes.
Darden Restaurants — The parent of Olive Garden and other restaurant chains earned an adjusted 68 cents per share for its latest quarter, 10 cents above estimates, with revenue also above forecasts. Same-restaurant sales were up by 3.4 percent, with overall sales rising for a sixth straight quarter.
General Mills — The food maker beat estimates by 10 cents with adjusted quarterly profit of 79 cents per share. Revenue was slightly below analyst forecasts, but restructuring and cost controls are helping the company's bottom line.
AutoZone — The auto parts retailer earned $12.75 per share for its latest quarter, 6 cents above estimates, with revenue also above analyst forecasts. Same store sales rose 4.5 percent during the quarter.
ConAgra — The food producer earned an adjusted 45 cents per share for its latest quarter, beat estimates by 5 cents. The company expects to see continued profit margin expansion, but warns that currency issues will impact profits in its consumer foods segment for the current quarter.
CarMax — The auto retailer reported profit of 82 cents per share, 6 cents above estimates, with revenue slightly shy of analyst projections. Comparable store sales were up 4.6 percent from a year earlier.
Johnson & Johnson — The stock was rated "buy" in a new report on the health care sector at UBS, which says global competitors "of scale" are thriving in a realigned health economy.
DuPont — Citi upgraded the stock to "buy" from "neutral." Citi points to a 30 percent decline in the shares so far this year, and that long-term, the chemical maker as a number of significant ways to increase shareholder value.
Jack In The Box — Jack In The Box announced a new $200 million share buyback program for fiscal 2016. The restaurant chain bought back $100 million in stock in fiscal 2015.
J.M. Smucker — Smucker announced a secondary offering of nearly 8.3 million shares, to be sold by shareholder Blue Holdings. The food maker will not receive any proceeds from the sale.
Bank of America — The bank's shareholders will vote today on whether to separate the chairman and CEO roles, currently both held by Brian Moynihan. A number of pension funds who hold Bank of America shares have already indicated they will vote to separate the two jobs.
Mosaic — The fertilizer producer reduced its current quarter production outlook in the wake of soft demand in the fertilizer market. It will also extend production downtime at a key mine in Canada.
Thor Industries — Thor reported quarterly profit of $1.31 per share, beating estimates by 1 cent, though revenue came in below forecasts. The recreational vehicle maker saw slower sales of RVs, but its overall results were helped by its acquisition of Postle Aluminum in May.
AmerisourceBergen — The drug distributor announced a $2.4 billion share repurchase program. The drug distributor is taking the action to offset possible dilution from the exercise of warrants that it had issued to Walgreens Boots Alliance.