Stocks that moved substantially or traded heavily on Wednesday:
Twitter Inc., up 36 cents to $16.95
The social media company said it will test allowing users to make longer tweets of 280 characters.
Nike Inc., down $1.03 to $52.67
The shoe and athletic apparel company said high discounts will continue to affect its business.
Citigroup Inc., up $1.34 to $72.28
Banks rose in tandem with bond yields and interest rates.
Micron Technology Inc., up $2.91 to $37.09
The chipmaker's quarterly results surpassed Wall Street's expectations.
Scana Corp., down $4.35 to $51.22
South Carolina police say they are investigating "potential criminality" by the utility in a failed nuclear plant construction project.
Cintas Corp., up $7.91 to $144.01
The uniform rental company had a stronger first quarter than analysts expected.
Newmont Mining Corp., down 76 cents to $37.21
Mining companies fell Wednesday as the price of gold dropped sharply.
Kimco Realty Corp., down 75 cents to $19.41
High-dividend stocks like real estate investment trusts and utilities fell as investors who sought income bought bonds instead.