Jan. 23 (Bloomberg) -- Jasco Electronics Holdings Ltd., a South African investment company with interests in telecommunications businesses, posted the biggest two-day gain in four months after fiscal first-half profit increased.

The stock gained 5.6 percent to 1.14 rand as of 11:16 a.m. in Johannesburg, extending its advance over the past two days to 16 percent, the biggest jump since Sept. 29, according to Bloomberg data.

Per-share earnings before one-time items in the six months through Dec. 31 as much as doubled, the Johannesburg-based company said in a statement to the city’s stock exchange on Jan. 20.

Link to Statement:{NSN LY36DC3HBS3K <GO>}

To contact the reporter on this story: Stephen Gunnion in Johannesburg at sgunnion@bloomberg.net

To contact the editor responsible for this story: Vernon Wessels at vwessels@bloomberg.net