Lowe's (LOW) CEO expects home renovations to ramp up in lieu of homeowners taking on new homes because of still-high mortgage rates. Wall Street liked the message. In trading this afternoon, the home improvement chain's stock was up nearly 6%. Americans have "significant equity" of an "average of $400,000 in equity per home," Lowe's CEO Marvin Ellison told Yahoo Finance — a good formula for renovations. "We expect homeowners to start, at some point, to tap into these ... home equity lines of credit (HEL ...