Why Is MASCO CORP (MAS) Stock Down Today?

Masco Corp (MAS) fell 10.89% to $72.72 in morning trading on Tuesday. The stock opened with a 0.8% gap up from the prior close but quickly reversed to a session low of $72.00. The sharp decline followed the release of the company’s second-quarter earnings report and the filing of an 8-K with the SEC disclosing its financial results.

What Happened

Masco reported second-quarter non-GAAP earnings per share of $1.64, which beat estimates by $0.33. However, revenue of $1.99 billion came in $100 million below the expected $2.081 billion. The company also filed an 8-K on July 29, 2026, disclosing its results of operations and financial condition, including the earnings and revenue figures. The earnings report was covered by multiple outlets, including a StockTitan article summarizing the results. Despite beating on the top line, the revenue shortfall appears to have triggered a sharp sell-off. The stock has also been pressured by the broader market and its own high beta of 1.28.

What The Data Shows

The stock opened at $82.24 but fell sharply throughout the session, with volume at 0.5 million shares, or 0.2 times the 3-month daily average. The stock is currently trading within its 52-week range of $58.16 to $83.64. Masco has a market cap of $16.1 billion, a P/E ratio of 20.2, and a net margin of 10.9%. The company raised its full-year GAAP and adjusted EPS guidance earlier in the year, but the Q2 revenue miss appears to have undermined investor confidence. Donald J. Trump disclosed a purchase of $100,001 to $250,000 in the stock on January 6, 2026, according to a recent congressional filing.

What To Watch

The stock is currently trading at a significant discount to its 52-week high. Investors may look for further commentary from analysts or additional guidance updates in the coming weeks.