Stocks Hitting 52-Week Lows

shares touched a new 52-week low of $23.885. Morgan Stanley downgraded Micron Technology from Equal-weight to Underweight and lowered the price target from $30.00 to $21.00.

shares reached a new 52-week low of $5.665. Groupon shares have dropped 7.07 percent over the past 52 weeks, while the S&P 500 index has surged 8.07 percent in the same period.

shares reached a new 52-week low of $34.327. Axiom maintained Twitter with a Hold and lowered the price target from $45.00 to $40.00.

shares touched a new 52-week low of $71.945. Wal-Mart's PEG ratio is 3.49.