 Shares of Toll Brothers Inc. TOL, 0.22 dropped more than 2 in the extended session Tuesday after the home builder lowered its deliveries guidance for the year, blaming labor shortages and supply-chain snags and saying that higher mortgage rates and home prices have sidelined some buyers. Toll Brothers said it earned 273 million, or 2.35 a share, in the fiscal third quarter, compared with 235 million, or 1.87 a share, in the year-ago quarter. 