Sears Holdings (SHLD) shot up Thursday after announcing that it is selling Kenmore appliances via Amazon.com (AMZN), including Alexa-enabled smart appliances, a team-up that comes after years of struggle to compete against the e-commerce giant.

Autoplay: On | OffBut the news also triggered a broad sell-off in home improvement chains Home Depot (HD) and Lowe’s (LOW), along with Best Buy (BBY). All three are big sellers of appliances.

“This marks the broadest distribution of Kenmore, America’s most trusted home appliance brand, outside of Sears branded stores and related online retail platforms,” Sears said in a statement. Terms of the deal weren’t disclosed.

The move follows Sears’ deal in January to sell its Craftsman line of tools to Stanley Black & Decker (SWK) and comes amid questions about Sears’ future, after warnings earlier this year about its ability to continue as a going concern.

Meanwhile, Amazon is expanding its reach in traditional brick-and-mortar retail and agreed to acquire Whole Foods Market (WFM) last month.

Sears shares were up 13.8% to 9.88 in afternoon trading in the stock market today, near session lows after spiking to 10.76 in the morning. The stock vaulted above its 200-day moving average for the first time in two months.

Amazon rose 0.1% to 1,028.15, hitting a fresh record high earlier.

Home Depot sank 4.3% on the news, crashing through the bottom of its…