MINYANVILLE ORIGINAL With everyone who is anyone on Wall Street apparently at the beach stocks tread water in another listless session of anemic August trading. Standout sectors included airlines with Southwest Airlines (LUV) gaining 3.40% after announcing a widely-matched fare price hike to cover escalating fuel costs. (Perhaps it was spooked by the alternative approach adopted by Air France-KLM (AFLYY) which recently asked passengers to pitch in for fuel mid-air and yesterday announced a Q2 loss of $1.1 billion.)   The phrase "sent to Coventry " an epithet across the pond proved immensely profitable for US investors as Coventry Health Care (CVH) surged 20.32% ...