PHILADELPHIA — President Barack Obama is visiting Pennsylvania this week.

The White House says on Tuesday, Obama will first meet with workers at a GM plant in Lordstown, Ohio, to discuss the economy.

He will then travel to Pittsburgh, where he will deliver remarks at the AFL-CIO Convention in the afternoon.

Later on Tuesday, he plans to attend a fundraiser for Sen. Arlen Specter in Philadelphia.

HARRISBURG — Pennsylvania's school employees pension fund lost nearly 27 percent on its investments in the year that ended June 30.The Public School Employees' Retirement System said Friday that the losses would have been worse, but it earned more than 9 percent in the final three months of the period.It's responding to the national economic downturn by reducing the portion of its money that's invested in global equities and increasing its proportion of cash on hand.The fund's annualized return over the past 25 years averages 9.2 percent.

PITTSBURGH — Police are investigating who fired the bullet that shattered a Duquesne University window in Pittsburgh, flying into a 14th floor dorm room where a student was working at her computer.University police say no one was hurt in the incident that occurred at about 12:20 a.m. Friday. They say an initial investigation found the bullet was fired from some place off campus.Police are investigating the incident.