The maker of analog and digital chips used in a wide variety of devices late Wed. reported earnings that analysts say indicate improving business conditions. Linear Technology's (LLTC) sales rose 4% to $303.5 mil, missing estimates. It earned 39 cents per share, in line. Company executives said on a conference call that orders are improving, leading FBR Capital Markets to say in a note, "Linear may be seeing early signs of slowly improving broad-based semiconductor demand." Shares of Linear Technology, which has an IBD Composite Rating of 62, an EPS Rating of 54 and a Relative Strength Rating of 71, rose 1.4% to 36.38.