American Airlines Group, Inc. (NASDAQ:AAL) shares were trading lower in the premarket session on Wednesday after ending yesterday’s run on the bourses with almost a 3% dip. Shares slumped over 6% after hours. Yesterday, the airline lowered its adjusted earnings per share forecast from $1.15 to $1.45 to a new range of $1.00 to $1.15, according to an exchange filing. Second-quarter average fuel price is now expected to be approximately $2.70 to $2.80 per gallon of jet fuel. Check This Out: American Airlines Stock Is Losing Altitude After Hours: Here’s Why The company also lowered its guidance fo…