* Nikkei climbs to its highest level since Dec. 4Speculative buying pushes up N/T ratio to 2nd highest on record

* Mobile cos up as Docomo announces smaller-than-feared price cuts

By Tomo Uetake

TOKYO, April 16 (Reuters) – Japan’s Nikkei edged up to a fresh four-month high on Tuesday, propelled by gains in the big three mobile carriers after market leader NTT Docomo announced smaller-than-feared price cuts, soothing concerns about a price war.

The benchmark Nikkei ended the morning session at 22,208.22, up 0.2 percent on the day, after hitting a fresh four-month high earlier in the day.

The information and communication sub-index was by far the strongest among the Topix’s 33 industry groups, gaining 1.9 percent.

NTT Docomo jumped 3.8 percent, while rival and