内线交易

• 冂(outer boundary; fence)RADICAL
• 入(enter; go in)ASSOCIATIVE

Inside a fence, something that has already gone in becomes what is enclosed.

• 糸(thread; silk)RADICAL
• 泉(stream; water)PHONETIC

A thin thread flows like a small stream running long and continuously.

• 六(six; intersection)ASSOCIATIVE
• 乂(cross; intersect)PHONETIC

Two diagonal lines crossing like human legs stepping represent intersection and exchange.