upswing

Lesh remained with the Dead through their unexpected upswing in popularity in the late 1980s and early ’90s, a revival partially fueled by the band’s only Top 40 hit, “Touch of Grey.”

But ratings have been on the upswing nationally and have gained in relative strength as other TV genres have been in decline.

When they get a post-convention bump, according to Politico's polling expert, "candidates who end the conventions on the upswing typically see that momentum continue through to Election Day."

Falling as it does in mid-June, Father’s Day coincides with an upswing in outdoor excursions.

The economy, fueled by government spending, is on the upswing.