Morning Market Losers

Ascena Retail Group IncASNA

shares dipped 13.53 percent to $14.15 after the company lowered its earnings forecast for the full year.

MPLX LPMPLX

shares dropped 11.63 percent to $61.02. MPLX LP announced its plans to buy

Markwest Energy Partners LPMWE

for around $15.63 billion.

Kingtone Wirelessinfo Solutions Hldg LtdKONE

declined 7.76 percent to $5.35. On Friday, Kingtone Wirelessinfo posted net income of $2.6 million, or $1.87 per share, for the six months ended March 31, 2015, versus a year-ago net loss of $0.7 million, or $0.49 per share.

Windstream Holdings, Inc. WIN

shares slipped 4.93 percent to $5.40. UBS downgraded Windstream Holdings from Neutral to Sell.

Seagate Technology PLC STX

dropped 2.33 percent to $44.88 after the company lowered its Q4 sales forecast.

ARM Holdings plc (ADR) ARMH

shares declined 1.03 percent to $46.93. JP Morgan downgraded ARM Holdings from Neutral to Underweight and lowered the price target from $42.75 to $41.50.

Market News and Data brought to you by Benzinga APIs