NEW YORK ( TheStreet) -- Shares of ACADIA Pharmaceuticals (Nasdaq: ACAD) were gapping down Thursday morning with an open price 13.4% lower than Wednesday's closing price. The stock closed at $1.49 Wednesday and opened today's trading at $1.29. The average volume for ACADIA has been 547,700 shares per day over the past 30 days. ACADIA has a market cap of $77.2 million and is part of the health care sector and drugs industry. Shares are up 38% year to date as of the close of trading on Wednesday. ACADIA Pharmaceuticals Inc., a biopharmaceutical company, focuses on drug discovery and clinical development of small molecule drugs that address unmet medical needs in neurological and related central nervous system disorders. TheStreet Ratings rates ACADIA as a sell. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income, disappointing return on equity, weak operating cash flow, generally disappointing historical performance in the stock itself and feeble growth in its earnings per share. You can view the full ACADIA Ratings Report. Get more investment ideas from our investment research center.