Stocks Hitting 52-Week Lows

shares dropped 21.67 percent to touch a new 52-week low of $12.20. Infinera reported Q1 adjusted earnings of $0.19 per share on sales of $245 million. Citigroup downgraded Infinera from Buy to Neutral and lowered the price target from $20.00 to $17.00.

shares touched a new 52-week low of $103.915. United Therapeutics reported that Roger Jeffs, Ph.D. has stepped down as President and Co-CEO and David Zaccardelli, Pharm.D. has stepped down as Executive Vice President and COO. United Therapeutics reported Q1 adjusted earnings of $3.02 per share on revenue of $369 million.

shares reached a new 52-week low of $11.53. Invacare posted Q1 adjusted loss of $0.25 per share on revenue of $257.6 million.

shares touched a new 52-week low of $7. Gulf Island Fabrication is expected to announce Q1 earnings after the closing bell.