Home Depot's push into the pro market began in earnest last year, when the company dropped $18.5 billion to buy SRS Distribution.

Home Depot is buying specialty building products distributor GMS for $4.3 billion, the second notable acquisition in a little over a year that emphasizes a deliberate push by the home improvement chai

Home Depot has won a bidding war for GMS, striking a deal to buy the building-products distributor for $4.3 billion, or $5.5 billion including debt.