Shares of Bajaj Auto Limited advanced 2.5 percent to Rs 9,124 in mid-day trade on May 2 after the company reported robust monthly sales for April. The Pune-headquartered company reported 17 percent year-on-year rise in sales to 3,88,256 units in April. During the same period last year, the two-wheeler major sold 3,31,256 units, company data showed.