Check out the companies making headlines in the midday trading: Opendoor Technologies, Kohl’s – Two stocks are quoted on Reddit’s Wall Street Bet Forum, and we’ve seen some wild moves as retailers chase after meme stocks. Online real estate startup Opendoor surged earlier in the day, but recently fell nearly 2%. Still, the stock has won over 500% this month. Although the department stores did not appear to have any major companies’ announcements, Cole’s shares skyrocketed 37%. General Motors – Shares fell nearly 7% in the second quarter, despite carmakers exceeding sales and profit expectations. Interest and $3.04 billion pre-tax adjusted earnings were higher than analysts estimated, but fell more than 31% from a year ago. According to LSEG, Lockheed Martin – the Air Force’s manufacturer of F-35 fighter bombers fell 6% after a quarterly revenue of $18.16 billion analyst consensus estimate of $185.7 billion. Earnings per share of $1.46 was not comparable to estimates. Lockheed also reported $1.6 billion losses due to some defense programs, with management saying “the ongoing program review process has identified new developments that have caused them to reassess the financial position on a set of major legacy programs.” MEDPACE – Outsourced clinical development service providers rose 48% after second quarter net income and revenues broke analyst estimates and raised full-year guidance. GAAP earnings of $3.10 per share exceeded the Factset Consensus estimate of $2.98, with revenue beating $633.3 million and the expected $538.8 million. IQVIA – Healthcare Technology and Data Analytics Company saw a 17% rise in stock. IQVia narrowed its annual adjusted revenue guidance to seek between $11.75 and $12.05 per share. This rivals previous calls between $11.70 and $12.10 per share and fact set consensus estimates of $11.83 per share. The second quarter results also surpassed street estimates. Equifax – The consumer credit company’s stock slipped almost 7% in disappointing guidance this quarter. Equifax looks at third-quarter adjusted earnings ranging from $1.87 to $1.97 per share, but Factset consensus estimates are looking for $1.99 per share. The revenue outlook for this period was between $1.510 and $1.54 billion, compared to street estimates of $1.533 billion. Steel Dynamics – Stocks have retreated nearly 3% after Steelmaker’s second quarter results dragged expectations. Dr. Houghton – After quarter results exceeded expectations, home builders surged 14%, exceeding $3.36 per share, exceeding the expected $2.89 analysts surveyed by FactSet. Revenue of $9.23 billion exceeded an estimated $8.75 billion. Pultegroup – Shares rose 8% after home builders recorded second-quarter earnings of $3.03 per share and Analyst estimates of $2.96 in LSEG. Pultegroup’s $44 billion revenue also appeared ahead of the expected $43.9 billion. Northrop Grumman – After Northrop Grumman posted second-quarter revenue of $10.35 billion, the stock rose 8% with an LSEG consensus estimate of $1.07 billion. Agilysys – After a 9% sinking before the hospitality software company’s first quarter profit, tax, depreciation and amortization (EBITDA), the fact set consensus estimate was $14.0 million. NXP Semiconductors – Dutch semiconductor manufacturers fell 2% after sales fell in the second quarter due to slow demand in the automotive market. Otherwise, NXP was beaten on the top and bottom line, earnings of $2.72 per share at $267 million, exceeding $2.67, exceeding $2.67 on the expected revenue of $2.67 by analysts voted by LSEG. Albertsons – After UBS upgraded Albertsons to purchases from neutral, the grocery chain rose nearly 3%, increasing its 12-month price target to $27 per share, meaning a 35% increase. Zions Bancorporation – The stock rose almost 3% after Zions listed its second-quarter earnings at $1.63 per share, with the LSEG consensus estimate of $1.31 per share. “We are gradually more optimistic about growth in the second half of the year than before,” said Harris Simmons, CEO of Zions. – Reported by CNBC’s Sarah Min, Darla Mercado, Lisa Han, Alex Harring, Spencer Kimball, Yun Li and Tanaya Macheel.