Many stocks could be ripe for a short-squeeze higher, with year-end tax-related selling and continued shorting of a significant number of stocks.A short-squeeze takes place when unexpected positive news comes out about a heavily shorted stock, and as a result the stock moves sharply higher due to the short-sellers covering their bearish positions in the stock. A stock's short interest is measured by the short ratio, which is the number of days it would take the short-sellers to cover their positions based on the stock's recent trading volume. Stockpickr has reviewed the stocks with the highest short ratios that have market caps over $250 million and relatively low price/earnings-to-growth (PEG) ratios (below 2). These stocks are compiled in the Top Year-End Short-Squeeze Stocks. One of the stocks with the highest short ratios is Healthcare Services Group ( HCSG), which provides various maintenance and cleaning services to nursing homes, retirement homes, rehabilitation centers and hospitals. The company carries a short ratio of 25. In October, the company increased its quarterly dividend by 9% to 12 cents a share, giving it a yield of 2.2%. The stock has a price-to-earnings (P/E) ratio of 31 and a PEG of 1.8. Healthcare Services is part of the portfolio of Alpine Dynamic Dividend Fund, a five-star Morningstar-rated fund that has generated an average annual return of more than 16% over the last three years. Alpine also owns shares of BHP Billiton ( BHP), which has a short ratio of 1.5, Macquarie Infrastructure ( MIC), with a 4.9 short ratio, and Temple-Inland ( TIN), which has a 3 short ratio.