Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Blue chips were also among the biggest laggards on Monday; the top weighted stock Samsung Electronics (Korea Stock Exchange: 593-KR) closed down 3 percent ahead of its earnings guidance on Tuesday, while Hyundai Motor (Korea Stock Exchange: 538-KR) and steelmaker Posco (Korea Stock Exchange: 549-KR) tanked 1.5 and 2.7 percent, respectively.

Answer: product_or_material_produced: Samsung, Electronics