Pioneer High Income Trust is a diversified, closed-end management investment trust. The Trust's objective is to seek a high level of current income and to seek capital appreciation. The Trust seeks to invest in corporate bonds and notes, senior secured floating rate loan interests, convertible bonds and notes, preferred stocks, common stocks, the united states government and agency obligations, sovereign debt obligations, collateralized mortgage obligations, asset backed securities, tax exempt obligation and convertible preferred stocks, among others. It seeks to invest in the sectors, including construction and farm machinery and heavy trucks; electrical components and equipment; industrial conglomerates; industrial machinery; trading companies and distributors; commercial and professional services, and homebuilding, among others. Pioneer Investment Management, Inc. (PIM) is the Trust's investment adviser.