Benchmark Tokyo rubber futures fell for a second straight session on Wednesday, pressured by a stronger yen, but trading volumes were light with many traders and investors away on summer holidays. The Tokyo Commodity Exchange (TOCOM) rubber contract for January delivery finished 0.8 yen, or 0.5 percent, lower at 152.6 yen ($1.50) per kg. The most-active rubber contract on the Shanghai futures exchange for January delivery fell 60 yuan to finish at 12,660 yuan ($1,906.86) per tonne. The front-month rubber contract on Singapore's SICOM exchange for September delivery last traded at 129.4 US cents per kg, down 1.6 cents.