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` ` There was some initial euphoria in the wake of Alan Greenspan ' s clear message that he is poised to rescue the economy if it heads toward recession , but there are still some concerns especially in the chip sector that earnings will be disappointing , ' ' said Alan Skrainka , chief market strategist for A . G . Edwards & Sons Inc . in St . Louis .
 St . Louis, the chip sector, A . G . Edwards & Sons Inc . in St . Louis, Alan Greenspan, he, Alan Skrainka, chief market strategist for A . G . Edwards & Sons Inc . in St . Louis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 St . Louis, the chip sector, A . G . Edwards & Sons Inc . in St . Louis, Alan Greenspan, he, Alan Skrainka, chief market strategist for A . G . Edwards & Sons Inc . in St . Louis