Welcome to Seeking Alpha's Wall Street brunch, our Sunday look ahead to this week's

market-moving events, along with the weekend's top news and analysis.

Hello, today is Sunday, October 5th, and I'm your host, Kim Kahn. The private sector continues

to lead the way for Wall Street. The government shutdown

now enters its second week. Prediction market Kalshi now has a shutdown lasting nearly 21 days,

with a 64% chance of it lasting more than 15 days as the top bet. Goldman Sachs economists say

for each week of a shutdown, the direct effect of furloughed federal workers would reduce fourth-quarter

annualized real GDP growth

quarter-on-quarter by about 0.15 percentage point. Reopening would result in an equally sized positive

effect on growth in the first quarter, assuming the shutdown ends before then. But if anything can

steal the spotlight from the shutdown, it's the AI trade. And this week kicks off with a major event.

OpenAI hosts its Dev Day on Monday, with CEO Sam Altman kicking off the event with a keynote

at 1 p.m. Eastern Time.

Then he joins Apple designer Joni Ive in a fireside chat at 715.

No product releases have been teased, but there is speculation the company could debut a long-rumored

AI-powered browser, possibly named ORA, that would

challenge Google's Chrome. OpenAI hit a private market valuation of $500 billion this past week,

making it the world's most valuable startup. Also this week, the AI bulls at Wedbush reiterated

that they see the tech bull market lasting another two to three years, and any worries about

a tech bubble are way overdone, with enterprise spending trends accelerating. And to three years, and any worries about a tech bubble are way

overdone, with enterprise spending trends accelerating.

And to be sure we got the LLM perspective, ChatGBTT told me the keynote should unveil

...