TOKYO, Sept 8 (Reuters) - Japan's Nikkei stock average was flat on Tuesday, buoyed by chip-related shares such as Advantest Corp, though gains were checked by falls in financials such as bank stocks.
The benchmark Nikkei gained 3.57 points to 10,324.51, while the broader Topix lost 0.2 percent to 943.04. (Reporting by Elaine Lies)