Investors left with motion sickness over the stock market's roller-coaster ride this year need to strap in for the ride, a pair of market professionals told CNBC on Friday.

Equities remain the best bet going forward, said Ariel Investments' Charles Bobrinskoy on "Squawk on the Street." There's simply no other place to put your money right now, he added. His bullish calls come a day after a deep selloff across major indexes, with the losing 1 percent.