Longwei Petroleum Investment Holding Limited Jumps to 52-Week High; LPH, ANW, FSTR Tuesday, 17 August 2010 Longwei Petroleum Investment Holding Limited (LPH) [Chart - Analysis - News] established a new 52-week high yesterday at $2.00. Clearly investors are enthusiastic about the firm's prospects. The rally was accompanied by higher than average volume, which adds to the momentum behind yesterday's move.