今日长难句经济学人Pressure to improve performance has been increased of late by Trian, an activist hedge fund which has built a stake in the company, and by the firm's failed bid to buy the consumer-health business of GlaxoSmithKline, a British drugmaker.最近，该公司提高业绩的压力增加了，因为激进的对冲基金Trian入股了该公司，同时该公司收购英国制药公司葛兰素史克消费者健康的业务也失败了。Pressure(主) to improve performance(定) has been increased(谓) of late by Trian(状), an activist hedge fund(同位语) which has built a stake in the company(定), and by the firm's failed bid(状) to buy the consumer-health business of GlaxoSmithKline(定), a British drugmaker(同位语).【分析】这句话主句的主干提取出来是pressure has been increased，什么样的压力？to improve performance是动词不定式作定语修饰pressure，of late表示最近，压力被什么增加？之后跟随
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