Jim Cramer recommends buying Reddit slowly, UBS upgrades Starwood Property Trust, and Cramer notes BorgWarner as a winner but parabola stock.

"Mad Money" host Jim Cramer rings the lightning round bell, which means he's giving his answers to callers' stock questions at rapid speed.

Jim Cramer recommends buying Reddit slowly, UBS upgrades Starwood Property Trust, and Cramer notes BorgWarner as a winner but parabola stock.