Some of the stocks that may grab investor focus today are: Wall Street expects Yahoo Inc (NASDAQ:

) to report its Q4 EPS at $0.22. YHOO shares gained 0.12% to $16.11 in after-hours trading. Texas Instruments Inc (NYSE:

) reported its Q4 net income at $0.78 per share, up from $0.52 per share, in the year-ago period. The company's revenue increased to $3.53 billion, from $3 billion. However, analysts were expecting earnings at $0.63 per share on revenue of $3.50 billion. TXN shares dipped 2.45% to $33.80 in the after-hours trading session. Analysts are expecting DuPont (NYSE:

) to have earned $0.32 per share in fourth-quarter. DD shares rose 1.12% to close at $48.89 yesterday. American Express Co (NYSE:

) reported its Q4 net income at $0.88 per share, up from $0.60 per share, in the year-ago quarter. The company's adjusted diluted earnings came in at $0.94 per share. However, analysts had expected earnings of $0.94 per share. AXP shares dropped 1.29% to $45.20 in after-hours trading. Analysts expect Johnson & Johnson (NYSE:

) to report its Q4 earnings at $1.03 per share. JNJ shares moved up 0.03% to $62.24 in the after-hours trading session.