Check out the companies making headlines after the bell : Toll Brothers — Shares added 1% after the homebuilding company surpassed Wall Street’s earnings expectations in the fiscal third quarter. Toll Brothers also lifted its full-year deliveries guidance. Microchip Technology — Shares of the microcontroller maker fell about 2%. The company disclosed in a regulatory filing that it detected “potentially suspicious activity” within its IT systems, which affected some operations. Keysight Technologies — The test equipment manufacturing stock popped 10%. Keysight posted solid fiscal fourth-quarter guidance on revenue, with the top end of its range surpassing analysts’ estimates. For the fiscal third quarter, Keysight posted $1.22 billion in revenue, topping the $1.19 billion expected by analysts polled by LSEG. Coty — The beauty stock inched higher by nearly 1%, even as Coty missed Wall Street’s estimates on the top and bottom lines in the fiscal fourth quarter. The company reported a surprise loss of 3 cents per share, while analysts polled by LSEG called for earnings of 4 cents a share.