Auto parts maker Lear's (LEA) stock price jumped early Friday on a third-quarter earnings surprise but pared gains in the afternoon. Lear's adjusted EPS climbed 19% vs. the same quarter a year ago, to $1.29, beating projections of $1.20. Revenue edged up 2% to $3.54 billion, ahead of consensus for $3.47 billion. The maker of auto seats and electrical power systems mostly beat on strong North American sales. But Lear also was "solidly profitable"