Adviser says now's a 'great window' to consider buying equities

STORY: Wall Street wavered on Wednesday as investors limped toward the finish line of a downbeat month, a dismal quarter, and the worst first-half for the S&P 500 since President Richard Nixon's first term.

Among the 11 major sectors of the S&P 500, energy stocks were suffering the largest percentage drop, while healthcare led the gainers.