10:45 AM New York – Aetna second quarter net declined 15% to $457.6 million. BP plc swung to a quarterly loss and Coach fourth quarter net soared 24%. Humana net slipped 22.6% and Marathon Petroleum net soared 34%. Pfizer second quarter net surged 25% to $3.25 billion.

Aetna Inc. (AET) rose 21 cents to $37.35 after the health insurer reported second quarter revenues increased 6% to $8.83 billion from $8.32 billion last year. Net income for the second quarter declined 15% to $457.6 million or $1.32 per share compared to net income of $536.7 million or $1.39 per share for the second quarter of 2011.

BP p.l.c. (BP) dropped 4.5% or $1.90 to $39.92 after the UK based oil and gas producer reported revenues in the second quarter ending in June slumped 9% to $94.89 billion compared to $103.95 billion in the same period of last year. Net in the quarter swung to a loss of $1.34 billion or $7.29 per diluted share compared to net income of $5.72 billion or $29.90 per share a year ago.

BP''s second quarter replacement cost profit in the quarter was $238 million compared with $5.41 billion a year ago.

Coach, Inc. (COH) declined 15.4% or $9.34 to $51.24 after the fine accessories and gifts marketer said fourth quarter sales rose 12% to $1.16 billion compared with $1.03 billion in the same period prior year. Net income for the quarter soared 24% to $251.43 million or 86 cents per diluted share compared with $202.48 million or 68 cents per share last year.

Humana Inc. (HUM) plummeted 9.8% or $7.03 to $63.51 after the health care company reported revenues in the second quarter ending in June rose 4.5% to $9.70 billion compared to $9.28 billion in the same period of last year. Net income in the quarter slipped 22.6% to $356 million or $2.16 per diluted share compared to $460 million or $2.71 per share a year ago.

Marathon Petroleum Corporation (MPC) increased 1% or 50 cents to $47.97 after the petroleum product refiner reported total revenue in the second quarter ending in June rose 2% to $20.26 billion compare to $20.79 billion the same period of last year. Net income in the quarter soared 34% to $814 million or $2.38 per diluted share compared to $802 million or $2.24 per share a year ago earlier.

The company added segment income of Speedway achieved 34% increase compared to second quarter of 2011.

Pfizer Inc. (PFE) gained 2.2% or 53 cents to $24.24 after the biopharmaceutical company reported second quarter revenues were $15.1 billion, a decrease of 9% compared with $16.5 billion in the year-ago quarter. Net income attributable to the company increased 25% to $3.25 billion or 43 cents per diluted share, from $2.61 billion or 33 cents per share in the same quarter last year.

Thomson Reuters Corporation (TRI) slipped 3.1% or 91 cents to $27.98 after the information services provider said second-quarter revenues decreased 4% to $3.31 billion from $3.45 billion last year. Net earnings rose to $922 million or $1.11 per share from $563 million or 67 cents per share last year.