Jim Cramer's Portfolios of the Week

Updated from 6:10 a.m. EST

Jim Cramer returned this week from a much deserved holiday break eager to give out his best investment ideas.

Here are some Cramer highlights from the past week as aggregated from his "Mad Money" TV show, the "Stop Trading!" segment on CNBC and his RealMoney blog posts.

Cramer's Stock Plays Off the 1990 Playbook: Cramer sees similarities in stocks that can work now and stocks that worked in 1990. On Wednesday's "Mad Money" show Cramer told viewers, "We've been operating on the 1990s playbook for months in Cramerica and we cannot ignore it now." Cramer's Stock Plays Off the 1990 Playbook include Google(GOOG Quote) and Apple(AAPL Quote).

Cramer's Stock Plays Off Oprah: Cramer believes that Oprah has the potential to make investors some big bucks. Each year the talk show host dedicates a show to her "favorite things," products she likes and gives as gifts herself. On Monday's "Mad Money" show Cramer offered three Oprah plays that could make folks "a bundle for the holidays." Cramer's Stock Plays Off Oprah include names like Decker's(DECK Quote).

Cramer's 10 Companies That Can't Be Allowed to Go Under: Cramer believes the capital infusion that Abu Dhabi made in Citigroup(C Quote) could be a signal that other troubled financial firms could get rescued from bankruptcy.

In a Nov. 27 blog post he wrote, "So what can't we handle? There are only 10 companies we can't have go under." Cramer's 10 Companies That Can't Be Allowed to Go Under include MGIC(MTG Quote) and Countrywide(CFC Quote).

Jim Cramer's Financials That Are Potential International Buyouts: Cramer sees opportunity in the weak financial stocks. On Tuesday's "Stop Trading" segment Cramer said that, "In the wake of the Abu Dhabi Investment Authority's purchase of a $7.5 billion stake in Citigroup other financials are potential international buyouts." Check out Jim Cramer's Financials That Are Potential International Buyouts for more names like AIG(AIG Quote).

Jim Cramer's Bargain Takeover Plays: Cramer sees bargains in a down market. In a Nov. 27 blog post he wrote, "Bargains. With the market down 10%, you get them. I know that no one believes that. I am hearing people come on TV and say, 'Not yet.' But when you get these broad declines you have to sit up and take notice." Jim Cramer's Bargain Takeover Plays include names like Time Warner(TWX Quote) and JPMorgan(JPM Quote).

Jim Cramer's Must-Own Oil Stocks: Cramer continues to find the gems in the oil patch. In a Nov. 28 blog post he wrote, "This is the group. This is the group to own right now. It is washed out and people have abandoned it. " Jim Cramer's Must-Own Oil Stocks include Halliburton(HAL Quote) and Transocean(RIG Quote).

Lightning Round: Cramer was full speed ahead last night with his latest Lightning Round. He was bullish on several stocks such as Tesoro (TSO Quote) and AT&T (T Quote) but also bearish on the likes of Volt (VOL Quote) and Perfect World (PWRD Quote).

(Editor's note: At the time of original publication of his posts and shows, Cramer owned Citigroup and Transocean for his Action Alerts PLUS charitable trust.)