Shares of the digital video recorder TiVo Inc. (NASDAQ:TIVO) was downgraded by from overweight to neutral by JPMorgan. JPMorgan cited a lack of catalysts for revenue growth in the next 6-12 months and valuation concerns as reasons for the downgrade. However, the price target was maintained at $14 a share. JPMorgan believes that TiVo can generate future growth only through acquisitions.