Morning Market Losers

Shire plc (NASDAQ: SHPG) shares declined 22.01% to $190.73 as AbbVie (NYSE: ABBV) said it will reconsider its merger agreement due to proposed changes in tax regulations. Key Tronic (NASDAQ: KTCC) dropped 15.64% to $8.52 after the company reported preliminary results. The company expected a Q1 loss of $0.14 to $0.17 per share on sales of $75.0 million.iGATE (NASDAQ: IGTE) shares declined 12.89% to $30.28 on Q3 results. The company reported a quarterly profit of $37.3 million, versus a year-ago profit of $31.9 million.KeyCorp. (NYSE: KEY) shares slipped 5.62% to $12.17 after the company reported weaker-than-expected third-quarter results.AbbVie (NYSE: ABBV) shares fell 3.64% to $52.16 as the company said it will reconsider its merger agreement with Shire due to proposed changes in tax regulations. Bank of America (NYSE: BAC) shares declined 2.54% to $16.10 after the company reported Q3 results.ASML Holding NV (NASDAQ: ASML) dropped 2.44% to $90.45 after the company reported a 26% rise in its third-quarter net profit and confirmed its forecast for the full year.