Market shift could drive further advance: Cramer By: CNBC.com News April 22, 2014 at 18:04 PM EDT Looking at the gains in the Dow and S&P on Tuesday, you wouldn't think anything big happened in the stock market. But Cramer insists that it did. Read More >> Related Stocks: Biogen Idec Celgene Corp FINANCIAL SEL Jazz Pharma Plc Nasdaq Biotechnology Ishares ETF Netflix S&P Retail SPDR