. >> susie: wall street analyst hassan ahmed likes the way she handled the crisis. >> one thing that dupont did very well, and ellen kullman in particular, the current c.e.o. of dupont, she narrowed the focus and defined where dupont is going very well. >> susie: that focus helped kullman recognize the need to leave the research budget untouched during the recession. dupont filed more new patents during that period than at any time in its history. >> 208 years is a long time. so we've been through a lot of recessions before. and what i found was a company that, even in its darkest days, turned to science. to really figure out how to make it successful again. and that's why we decided not to cut our research and development budget. >> susie: that decision paid off. >> literally almost every quarter since she became c.e.o., not only has she beaten consensus or analyst estimates, but she has consistently also raised her full-year earnings guidance as well. so... so, certainly full marks on that front. >> susie: kullman also gets high marks from investors and analysts for dupont's perfor