File photo: AFP

Tokyo stocks opened lower on Wednesday tracking falls on Wall Street as investors awaited the first US presidential debate later in the morning for fresh trading cues.

The benchmark Nikkei 225 index was down 0.34 percent or 79.06 points at 23,460.04 in early trade, while the broader Topix index slipped 0.51 percent or 8.49 points at 1,649.61.